The alpha400P by eifeler-Vacotec is a versatile coating system based on cathodic arc evaporation equipped with twelve cathodes with a diameter of 100 mm. The vacuum chamber with volume of 400 l allows substrates with a height up to 485 mm and diameter of 450 mm (single rotation) or 40 mm (triple rotation) to be coated with high deposition rates. Besides deposition of hard coatings, surfaces of modern steels may be modified by plasma nitriding. The deposition system is furthermore equipped with the SPCS technology which enables synthesis of coatings which meet extremely high requirements in smoothness and density.